code: def is_global(node):
      return isinstance(
          node, (FunctionIntr, ast.FunctionDef)
      ) or is_global_constant(node)
  
file_path: catboost/contrib/python/pythran/pythran/analyses/extended_syntax_check.py
imports: from pythran.passmanager import ModuleAnalysis
  from pythran.analyses import StrictAliases, ArgumentEffects
  from pythran.syntax import PythranSyntaxError
  from pythran.intrinsic import ConstantIntr, FunctionIntr
  from pythran import metadata
  import gast
label_desc: Use image node_id 2 for calling a global function with example usage: is_global(node) and returns: unknown